Every month, 750 families enter the system and 700 leave, according to the city.

"How far are we from where you entered the system the last time?"

Of about 25,000 who entered the single system in a given year, half left after a week and did not come back.

On average about 750 families enter the system every month.

He entered the system at a time of great change.

Children are entering the system at the rate of 20,000 a year.

Earlier this year, about 450 families entered the system each month and 400 left.

The drug has had enough time to enter your system completely.

The number of children entering the system fell by 17%.

Some systems even cool the water before it enters the system.